発はっ光こう分ぶん光こう法ほう

noun

emission spectroscopy; emission spectrography

Analytical technique that measures light emitted by excited atoms or molecules to determine elemental composition. Used in chemistry, physics, and materials science.

• 発はっ光こう分ぶん光こう法ほうは金きん属ぞく元げん素その分ぶん析せきによく使つかわれる。

  Emission spectroscopy is often used for the analysis of metallic elements.

• この研けん究きゅうでは発はっ光こう分ぶん光こう法ほうを用もちいて試し料りょうの組そ成せいを調しらべた。

  In this research, the composition of the sample was investigated using emission spectroscopy.